Modular storage unit



FIG. 1 is a perspective view of a modular storage unit showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view, the drawer in closed position;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof.

The rear is flat and unornamented. 

The ornamental design for a modular storage unit, as shown and described. 